Room ventilating apparatus



April 8, 1952 BLACK 2,592,002

ROOM VENTILATIFIG APPARATUS Filed July 30, 1948 INVENTOR. 774600025 2.BLflCK .4 TTOENEV Patented Apr. 8, 1 952 I Theodore R. Black, Tipp City,Ohio Application July 30, 1948, Serial No. 41,701

This invention relates to a room ventilating I apparatus, and one objectof the invention is to provide a simple eflicient apparatus forwithdrawing air from a room or the like through a window or otheropening, which may be moved to an inoperative position to: permit theopening to be closed without dismounting the apparatus.

A further object of the invention is'to provide such an apparatus whichwill automatically open the window when the apparatus is moved tooperative position, and close the same when the apparatus is moved toinoperative position.

A further object of the invention is to provide such an apparatusincluding a motor operated fan the operation of which is automaticallyinitiated as the fan is moved to operative position.

A further object of the invention is to provide such an apparatus witheasily operated means for moving the same-to and from its operativeposition and for positively retaining the same in said position.

A further object of the invention is to provide such an apparatus whichcan be easily installed in a room without substantial modification ofthe wall or window structure.

Other objects of the invention may appear as the apparatus is describedin detail.

In the accompanying drawing Fig. 1 is a top plan view of an apparatusembodying the invention; Fig. 2 is a side elevation of such an apparatuswith the wall in section; andFig. 3 is a detail view of the lockingdevice.

In these drawings I have illustrated'one embodiment of my invention andhave shown the same as comprising an air circulating device, such as anexhaust fan, carried by a movable supporting structure and movable intoand out of a window to withdraw air from the room or other enclosure,the supporting structure being connected with the window closure to movethe latter to its open or closed position as the fan is moved to or fromits operative position. It is to be understood, however, that theapparatus may take various forms and may be applied to windows andwindow closures of various kinds without departing from the spirit ofthe invention. As hereinafter used the term fan is intended to includeany suitable air circulating device by which air may be withdrawn fromor discharged into an enclosure to be ventilated, and the term "windowis intended to include any suitable opening in a wall of such anenclosure.

In the particular embodiment here illustrated the supporting structure 5comprises two lat- 1 Claim. 3 (Cl. 98-116) 7 erally spaced andpreferably parallel arms 6 having means whereby they may be pivotallymounted on a wall 1 adjacent a window 8 in the wall. In the presentinstance the arms are provided at theirinner ends, that is the endsadjacent the wall, with apertures adapted to receive alined pivot pins 9which are mounted in lugs I0 rigidly secured to the wall, as by screwsll. Preferably, but not necessarily, the supporting structure is mountedon the wall above the window for movement about a substantiallyhorizontal axis. The outer ends of the arms 6 are rigidly connected oneto the other, as by tierods l2.

An electric motor [3 is supported on the outer portion of the supportingstructure and in the present arrangement a flanged plate I4 is mountedon the rods [2 and the base l5 of the motor is rigidly secured to thatplate, as by bolts 16. An exhaust fan I1 carried by the supportingstructure is operatively connected with the motor and is here shown asmounted directly upon the motor shaft Ill. The fan is spaced radiallyfrom the pivotal axis of the supporting structure such a distance thatwhen that structure is moved about its pivotal axis toward the windowthe fan will be moved into a position in line with the window, that is,in a line extending through the window, that line being preferably, butnot necessarily, at right angles to the wall inwhich the window isformed. Preferably the arms 6 are moved to a position substantiallyparallel with the wall and the motor I3 is supported partially withinthe window and the fan I! is supported adjacent the outer side of thewindow and preferably within the latter.

The supporting structure has means whereby it may be connected with aclosure for the window, such as an ordinary window sash I9, so that thatclosure will be moved to its open position as the supporting structureis moved toward the window and will be moved to its closed position asthe supporting structure is moved to its uppermost or inoperativeposition. Preferably this means comprises laterally spaced andsubstantially parallel members or arms 20 rigidly secured at their outerends to the outer portions of the respective arms 6, and in the presentinstance formed integral therewith, and extending downwardly andinwardly therefrom. At their free ends these arms are provided withmeans whereby they may be connected with the closure l9, as by bolts 2|.The members 20 are of such vertical width and are so arranged that theymove through the window 8 as the supporting structure moves downwardly.In the present arrangement the closure or sash i9 is not directlyconnected with the wall I but is supported wholly by the members 20.Thus as the supporting structure moves the fan into alinement with thewindow the arms 20 move the closure bodily outwardly and upwardly to asubstantially horizontal position, as shown in dotted lines in Fig. 2,and when the supporting structure and fan are returned to theirinoperative positions the closure is moved into window closing position,as shown in full lines in Fig. 2.

The operation of the fan may be initiated in any suitable manner butpreferably this is accomplished automatically and as here shown anormally open switch 22 of the push button or plunger type is mounted onone of the arms 6 and connected in the circuit 23 for the motor. Theswitch is so arranged that the plunger thereof will contact the wall, ora part rigid therewith, as shown at 24, as the supporting structurecompletes its movement to operative position, thereby closing the switchand energizing the motor. Of course, as the supporting structure and fanare moved to their inoperative positions the plunger moves out ofcontact with the part 25 and the switch is automatically opened.

The supporting structure may be retained in the position to which it hasbeen moved in any suitable manner. In the present arrangement anactuating rod 26 is pivotally connected with one side of the supportingstructure and extends downwardly to a point below the window, in whichposition it is conveniently accessible for operation. Preferably thelower end of the rod is connected with an operating member, such as thelever 21 which in turn is pivotally mounted on a bracket 28 rigidlysecured to the wall 1, the arrangement being such that the movement ofthe lever in an upward direction will move the supporting structure fromits operative position to an inoperative position, and means areprovided for locking the lever in a position to retain the supportingstructure in the position to which it has been moved. This locking meansmay be of any suitable character and is here shown as a headed pin 29adapted to extend through openings in the lever and the bracket and thuslock the lever. When the locking. device is released the supportingstructure will tend to move downwardly by gravity and a downward pull onthe lever will move the same fully to its operative position, a stop 30being provided to limit that movement. The locking pin 29 is theninserted in a lower opening in the bracket 28 as shown in dotted linesin Fig. 2 to firmly retain the supporting structure in its operativeposition.

While I have shown and described one embodiment of my invention I wishit to be understood that I do not desire to be limited to the detailsthereof as various modifications may occur to a person skilled in theart.

Havingnow fully described my invention what I claim as new and desire tosecure by Letters Patent is:

A ventilating apparatus comprising laterally spaced arms having atadjacent ends thereof means whereby they may be pivotally mounted onawall for movement about a common axis above an opening in said wall toa position extending outwardly from said wall or to a positionsubstantially parallel with said wall, said arms being. ofsuch lengththat when parallel with said wall they terminate between the upper andlower edges of said opening, rods extending between and rigidly securedto the outer ends of said arms, a motor and fan-mounted on said rods,other laterallyspaced arms extending lengthwise of the'first mentionedarms, rigidly connected at their outer ends with said first mentionedarms and extending vdownwardly and inwardly therefrom and through saidopening, a closure plate for said' opening. carried by the free ends ofthe last mentioned arms and movable thereby into and out of aposition toclose said opening, a normally open switch in circuit with said motor,mountedonone of the first mentioned arms and havinga member to engage afixed part adjacentsaid' opening and close said switch as saidarmiapproa'ches said opening. and a manually actuated device for moving.said structure about said pivotal axis and for retaining the fan in theposition to which it has been moved.

THEODORE R. BLACK.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 1,788,556 Wood et a1. Jan. 13,1931 2,039,970 McLaughlin May 5, 1936 2,456,340 Tideman Dec. 14, 1948

